Barnett Clarke, C., Fisher, W. p., Marks, R., & Ross, S. Developing essential understanding of rational numbers for teaching mathematics in grades 3-5 (1a ed., 3a reimpresión.).
Citazione stile Chigago Style (17a edizione)Barnett Clarke, Carne, William páginas Fisher, Rick Marks, e Sharon Ross. Developing Essential Understanding of Rational Numbers for Teaching Mathematics in Grades 3-5. 1a ed., 3a reimpresión.
Citatione MLA (8a ed.)Barnett Clarke, Carne, et al. Developing Essential Understanding of Rational Numbers for Teaching Mathematics in Grades 3-5. 1a ed., 3a reimpresión.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.